He says he is tired.
He said he was tired.
He said he had been tired.
请问老师这三句话怎么理解？我完全不明白第 1 句和第 2 句。他说自己累，这个说的状态一旦形成不就是过去了吗？不过去就没有说啊~! 怎么会有says呢？
我好像陷入...
...称代词后面可以接定语从句？我知道的有：He who hesitates is lost. 当断不断，必受其患。He who laughs last laughs best. 谁笑到最后，谁笑得最好。He who commences many things finishes but few. 开始的事情太多，完成得反而很少。这好像主要用于一...
...湖北省的高考题）：73. ___________（不会用） a computer makes it more difficult for him to do his academic research. (use)答案是：Not knowing to use。为什么不是 Not knowing how to use 呢？
...rned an important
lesson witnessing their mother earn her degree. Jennifer is a
first-generation graduate and an inspiration to her family—and that’s pretty
powerful.这是2020年新全国卷1的一小段。请问句中的 witness sb do sth的用法对吗？我在书上没有查到这类用法...
...？牛津9词典：Why didn't you ask for help, rather than trying to do it on your own? 你干吗非得自己干，而不请人帮忙？麦克米伦词典：Rather than criticizing your husband, why not find out if there's something wrong? 不要指责你的丈夫，为什么不查看一下是不...
...有的记忆。1.Hong Kong-Zhuhai-Macao bridge, _____ for almost 9 years, is world's......，给的选项是being built， to be built, built,和building。我先把building排除，然后我觉得built好像也不行，因为如果用多少年建成好像应该用in，而不是for。2. ..., which c...